chr18-3450206-A-T
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Variant summary
Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBA1
The NM_003244.4(TGIF1):c.-284A>T variant causes a 5 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00502 in 1,378,062 control chromosomes in the GnomAD database, including 261 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).
Frequency
Genomes: 𝑓 0.025 ( 146 hom., cov: 32)
Exomes 𝑓: 0.0025 ( 115 hom. )
Consequence
TGIF1
NM_003244.4 5_prime_UTR
NM_003244.4 5_prime_UTR
Scores
2
Clinical Significance
Conservation
PhyloP100: -0.363
Genes affected
TGIF1 (HGNC:11776): (TGFB induced factor homeobox 1) The protein encoded by this gene is a member of the three-amino acid loop extension (TALE) superclass of atypical homeodomains. TALE homeobox proteins are highly conserved transcription regulators. This particular homeodomain binds to a previously characterized retinoid X receptor responsive element from the cellular retinol-binding protein II promoter. In addition to its role in inhibiting 9-cis-retinoic acid-dependent RXR alpha transcription activation of the retinoic acid responsive element, the protein is an active transcriptional co-repressor of SMAD2 and may participate in the transmission of nuclear signals during development and in the adult. Mutations in this gene are associated with holoprosencephaly type 4, which is a structural anomaly of the brain. Alternative splicing has been observed at this locus and multiple splice variants encoding distinct isoforms are described. [provided by RefSeq, Jul 2013]
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ACMG classification
Classification made for transcript
Verdict is Benign. Variant got -20 ACMG points.
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.79).
BP6
Variant 18-3450206-A-T is Benign according to our data. Variant chr18-3450206-A-T is described in ClinVar as [Benign]. Clinvar id is 1232556.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BA1
GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.0834 is higher than 0.05.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
TGIF1 | NM_003244.4 | c.-284A>T | 5_prime_UTR_variant | 1/3 | ENST00000343820.10 | ||
LOC124904237 | XR_007066269.1 | n.125+326T>A | intron_variant, non_coding_transcript_variant |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
TGIF1 | ENST00000343820.10 | c.-284A>T | 5_prime_UTR_variant | 1/3 | 1 | NM_003244.4 | P1 |
Frequencies
GnomAD3 genomes AF: 0.0251 AC: 3813AN: 152140Hom.: 145 Cov.: 32
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GnomAD4 exome AF: 0.00252 AC: 3087AN: 1225804Hom.: 115 Cov.: 29 AF XY: 0.00230 AC XY: 1358AN XY: 591198
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GnomAD4 genome AF: 0.0251 AC: 3829AN: 152258Hom.: 146 Cov.: 32 AF XY: 0.0246 AC XY: 1829AN XY: 74456
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ClinVar
Significance: Benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
not provided Benign:1
Benign, criteria provided, single submitter | clinical testing | GeneDx | Oct 30, 2018 | - - |
Computational scores
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BayesDel_noAF
Benign
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DANN
Benign
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Splicing
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Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at